/* WALL WORK DRONE */

/* Base Styles */
html {
    font-size: 16px;
}

body, button, input, select, optgroup, textarea {
    color: #121212;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    font-size: 1rem;
    line-height: 1.5;
}

h1, h2, h3, h4, h5, h6 {
    clear: both;
}

p {
    margin-bottom: 1.5rem;
}

dfn, cite, em, i {
    font-style: italic;
}

blockquote {
    margin: 0 1.5rem;
}

address {
    margin: 0 0 1.5rem;
}

pre {
    background: #eee;
    font-family: "Courier 10 Pitch", courier, monospace;
    line-height: 1.6;
    margin-bottom: 1.6rem;
    max-width: 100%;
    overflow: auto;
    padding: 1.6rem;
}

code, kbd, tt, var {
    font-family: monaco, consolas, "Andale Mono", "DejaVu Sans Mono", monospace;
}

abbr, acronym {
    border-bottom: 1px dotted #666;
    cursor: help;
}

mark, ins {
    background: #fff9c0;
    text-decoration: none;
}

big {
    font-size: 125%;
}

embed, iframe, object {
    max-width: 100%;
}

img {
    height: auto;
    max-width: 100%;
}

figure {
    margin: 1em 0;
}

table {
    margin: 0 0 1.5rem;
    width: 100%;
}

hr {
    background-color: #ccc;
    border: 0;
    height: 1px;
    margin-bottom: 1.5rem;
}

ul, ol {
    margin: 0.3em 0 1.5em 1.5rem;
}

ul {
    list-style: disc;
}

ol {
    list-style: decimal;
}

li > ul, li > ol {
    margin-bottom: 0;
    margin-left: 1.5rem;
}

dt {
    font-weight: 700;
}

dd {
    margin: 0 1.5em 1.5rem;
}

/* Link Styles */
a {
    color: #4169e1;
}

a:visited {
    color: #800080;
}

a:hover, a:focus, a:active {
    color: #191970;
}

a:focus {
    outline: thin dotted;
}

a:hover, a:active {
    outline: 0;
}

/* General Layout Styles */
html {
    background: linear-gradient(to bottom, #000 0%, #ccc 5%);
    max-width: 100vw;
}

h1 {
    font-size: 1.8rem;
}

h2 {
    font-size: 1.6rem;
}

h3 {
    font-size: 1.2rem;
}

.text-center {
    text-align: center;
}

h1#wwd {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.sect {
    margin: 0 auto;
    width: 100vw;
}

.box-bg {
    margin: 0 auto;
    width: 78vw;
}

.box-mid {
    margin: 0 auto;
    width: 62.5vw;
}

.box-sm {
    margin: 0 auto;
    width: 56.6vw;
}

.u-shadow {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.exp {
    padding: 1vw 1vw;
    font-weight: 600;
    background: #ffffff;
}

.exp p {
    margin: 0;
}

.exp2 {
    padding: 1vw 3vw;
    font-size: 1.1rem;
    font-weight: 600;
    background: #ccc;
}

.exp2 p {
    margin: 0;
}

.exp ol {
    margin-top: 1rem;
    margin-bottom: 1rem;
}

/* Header Styles */
#head-image {
    position: relative;
    display: block;
}

#head-inn {
    position: relative;
    background: linear-gradient(to bottom, #000 0%, #000 85%, transparent 85%, transparent 100%);
}

#wwd-logo {
    position: absolute;
    max-width: 780px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

#wwd-logo img {
    max-width: 100%;
}

@media (max-width:800px) {
    #wwd-logo {
        position: absolute;
        top: 40%;
        left: 50%;
        width: 60%;
        transform: translate(-50%, -50%);
    }

    #wwd-logo img {
        width: 100%;
        height: auto;
        display: block;
    }

}

#intro {
    margin-top: -5rem;
    position: relative;
    z-index: 3;
}

/* Project Styles */
.proj {
    margin: 0 auto;
    padding: 0.5rem;
    width: 82%;
    text-align: center;
    background: url(/wwd/assets/images/proj-bk.png);
    background-size: cover;
    background-position: center;
    text-shadow: 1px 1px 3px #ffffff;
}

@media (max-width:800px) {
    .proj {
        font-size: 1.0rem;
    }

}

#re-note {
    margin-top: -2rem;
}

/* Goal Styles */
.goa {
    margin-top: 0rem;
    padding-top: 3rem;
    text-align: center;
    background: url(/wwd/assets/images/g-h-bk.png) no-repeat center bottom;
    background-size: 37%;
    color: #ffffff;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 1);
    font-size: 1.7rem;
    letter-spacing: 0.3rem;
}

@media (max-width:800px) {
    .goa {
        margin: 0;
        padding-top: 3rem;
        text-align: center;
        background: url(/wwd/assets/images/g-h-bk.png) no-repeat center bottom;
        background-size: 50%;
        color: #ffffff;
        text-shadow: 1px 1px 4px rgba(0, 0, 0, 1);
        font-size: 1.5rem;
        letter-spacing: 0.3rem;
    }

}

#goal {
}

#goal .box-mid {
    margin-top: -100px;
    padding-top: 5rem;
    padding-bottom: 1rem;
    position: relative;
    background: linear-gradient(to bottom, #cccccc 0%, rgba(204, 204, 204, 0) 30%), url(/wwd/assets/images/goal-bk.jpg) no-repeat center 0%;
    background-size: cover;
    z-index: 1;
}

#kadai ul li::marker {
    color: #0099cc;
    font-size: 1.2rem;
}

#kadai ul li {
    text-indent: -0.6rem;
}

.h2-kadai {
    margin-top: 0rem;
    padding-top: 0.2rem;
    padding-bottom: 0.2rem;
    padding-left: 0.5rem;
    background: url(/wwd/assets/images/kadai-bk.png) no-repeat center bottom;
    color: #ffffff;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 1);
    letter-spacing: 0.3rem;
    background-size: cover;
}

/* Researchers Styles */
.researchers {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: 10px;
}

.r-box {
    flex: 1;
    margin: 0 5px 30px;
    display: flex;
    flex-direction: column;
}

.r-box-inn {
    margin-bottom: 0px;
    padding-top: 1.1rem;
    padding-bottom: 1rem;
    background: url(/wwd/assets/images/re-bk.png) no-repeat #000000;
    background-size: contain;
    background-position: center 40%;
    overflow: hidden;
    color: #fff;
    line-height: 1rem;
    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    text-align: center;
    flex-grow: 1;
}

@media (max-width:800px) {
    .researchers {
        margin-bottom: 0.5rem;
        gap: 0px;
    }

    .r-box-inn {
        padding: 0.5em 0;
        background-position: center 82%;
    }

}

.r-box-inn p {
    margin: 0;
    padding: 0;
    line-height: 1.5rem;
}

.belong {
    font-size: 1.0rem;
}

.belong2 {
    font-size: 1.5rem;
    font-weight: 800;
}

.belong3, .name2 {
    font-size: 1rem;
}

.name1 {
    font-size: 1.5rem;
    font-weight: 800;
}

.name2 {
    margin-bottom: 1rem;
}

/* Kadai Styles */
#kadai {
    margin-top: 5rem;
    background-color: #CCCCCC;
}

#kadai h2 {
    color: #ffffff;
}

#kadai .box-sm {
    margin-bottom: 1rem;
}

#kadai .exp {
    margin: 0 3rem;
}

#kadai .note {
    padding: 0.5em 3rem;
    font-size: 1rem;
    font-weight: 500;
}

/* Jisou Styles */
#jisou {
    margin-top: 5rem;
}

#jisou h2.h2-jisou {
    padding: 0.5em 1rem;
    background: url(/wwd/assets/images/jisou.png) no-repeat;
    background-size: cover;
    font-size: 1.8rem;
    color: #fff;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 1);
    letter-spacing: 0.5rem;
    overflow: hidden;
    aspect-ratio: 11/1;
    display: flex;
    align-items: center;
}

#jisou .exp {
    background: none;
}

#jisou .note {
    padding: 0.5em 0rem;
    font-size: 0.8rem;
}

#genjyou-bk img {
    z-index: 1;
}

#genjyou {
    margin: 0 auto;
    width: 100%;
    margin-top: -15rem;
    z-index: 0;
    position: relative;
}

#genjyou .genjyou-title {
    margin: 0 auto;
    width: 56.6vw;
}

#genjyou .box-sm {
    display: block;
    width: 52.6vw;
    margin-top: 0rem;
    margin-bottom: 1rem;
    background: #fff !important;
    z-index: 3;
}

#genjyou .no-bk {
    background: none !important;
    margin-bottom: 0;
}

#genjyou h2 {
    padding-bottom: 0;
}

#genjyou .box-sm .exp {
    padding-top: 0.3rem;
    padding-bottom: 0.3rem;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    font-size: 0.85rem;
}

#genjyou ul li::marker {
    font-size: 1.5rem;
}

#genjyou ul li {
    text-indent: -0.5rem;
    line-height: 1.3rem;
}

#genjou-bk {
    background: linear-gradient(to bottom, rgba(204, 204, 204, 1), rgba(204, 204, 204, 0) 24%, transparent 24%), url(/wwd/assets/images/jisou-bk-2.png) no-repeat;
    background-size: contain;
    aspect-ratio: 2/1;
}

#genjou-bk .box-sm {
    margin-top: -1rem;
}

#kadai .box-sm .exp {
    padding-top: 0.3rem;
    padding-bottom: 0.3rem;
    font-size: 0.85rem;
}

@media (max-width:800px) {
    #genjou-bk {
        background-position: center 30%;
        background-size: 120%;
        aspect-ratio: 3/2;
    }

}

#kouka {
    margin-top: 3rem;
    padding: 1rem;
    background: url(/wwd/assets/images/kouka-bk.jpg) no-repeat center top;
    background-size: cover;
}

#kouka .exp {
    margin-bottom: 10rem;
}

#kouka h2.h2-jisou {
    padding: 0.5em 1rem;
    background: url(/wwd/assets/images/jisou.png) no-repeat;
    background-size: cover;
    font-size: 1.8rem;
    color: #fff;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 1);
    letter-spacing: 0.5rem;
    overflow: hidden;
}

#kouka h2.h2-jisou span {
    margin-right: 0.5rem;
    font-size: 1rem;
    letter-spacing: 0rem;
}

@media (max-width:800px) {
    #kouka {
        margin-top: 1rem;
        padding: 0;
        background: url(/wwd/assets/images/wall00-s.png) no-repeat;
        background-size: cover;
    }

}

#kenkyu {
    position: relative;
    margin-top: 3rem;
    padding: 5rem;
    z-index: 1;
    background: none;
    overflow: hidden;
}

#kenkyu::before {
    content: '';
    position: absolute;
    top: 0;
    left: -25vw;
    width: 150vw;
    height: 100%;
    background: url(/wwd/assets/images/kenkyu-bk.png) no-repeat center;
    background-size: cover;
    z-index: -1;
}

#kenkyu h2.h2-jisou {
    padding: 0.5em 1rem;
    background: url(/wwd/assets/images/jisou.png) no-repeat;
    background-size: cover;
    font-size: 1.8rem;
    color: #fff;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 1);
    letter-spacing: 0.5rem;
    overflow: hidden;
}

#kenkyu h2.h2-jisou span {
    margin-right: 0.5rem;
    font-size: 1rem;
    letter-spacing: 0rem;
}

.kenkyu-container {
    position: relative;
    margin-bottom: 1.5rem;
}

.image-bottom-right {
    float: right;
    display: block;
    width: 200px;
    height: auto;
    margin: 10px 0 20px 20px;
}

#kongo h2.h2-jisou {
    padding: 0.5em 1rem;
    background: url(/wwd/assets/images/jisou.png) no-repeat;
    background-size: cover;
    font-size: 1.8rem;
    color: #fff;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 1);
    letter-spacing: 0.5rem;
    overflow: hidden;
    aspect-ratio: 11/1;
}

#kongo h2.h2-jisou span {
    margin-right: 0.5rem;
    font-size: 1rem;
    letter-spacing: 0rem;
}

#s-image {
    padding: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

#s-image > * {
    max-width: 100%;
    max-height: 100%;
}

#future-city {
    position: relative;
}

#future-city {
    position: relative;
}

.image-container {
    position: relative;
}

#future-city img {
    display: block;
    width: 100%;
    height: auto;
}

#future-city::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0), #ccc);
    z-index: 1;
    pointer-events: none;
}

#future-city p {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    text-align: center;
    font-size: 1.3rem;
    font-weight: bold;
    text-shadow: 2px 2px 10px #ffffff, -2px 2px 10px #ffffff, 2px -2px 10px #ffffff, -2px -2px 10px #ffffff;
}

@media (max-width:768px) {
    #future-city p {
        position: absolute;
        bottom: -5rem;
        left: 50%;
        transform: translateX(-50%);
        z-index: 2;
        text-align: center;
        font-size: 0.7rem;
        font-weight: 400;
        text-shadow: 2px  2px  2px #fff;
    }

}

/* Video Styles */
.video {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
}

.video iframe {
    position: absolute;
    top: 0;
    right: 0;
    width: 100% !important;
    height: 100% !important;
}

#under-const {
    margin-top: 3rem;
}

/* Responsive Styles */
@media (max-width:800px) {
    #intro  .box-sm {
        width: 100vw;
    }

}

@media (max-width:800px) {
    .box-bg {
        width: 98vw;
    }

    .box-mid {
        width: 95vw;
        background: #FFFFFF;
    }

    .box-sm {
        width: 90vw;
    }

    .exp {
        font-size: 1rem;
        font-weight: 400;
    }

    .kenkyu-container {
        padding-top: 0.5rem;
    }

    .exp2 {
        padding: 0 3vw 3vw;
        font-size: 1rem;
        font-weight: 400;
    }

    #genjyou {
        width: 100%;
        margin-top: -10rem;
    }

    #kadai .exp {
        margin: 0 1.5rem;
    }

    #kadai .note {
        padding: 0.5em 1.5rem;
        font-size: 0.9rem;
        font-weight: 400;
    }

    #genjyou .genjyou-title {
        margin: 0 auto;
        width: 94vw;
    }

    #genjyou .box-sm {
        display: block;
        width: 85vw;
        margin-top: 0rem;
        margin-bottom: 1rem;
        background: #fff !important;
        z-index: 3;
    }

    #kenkyu {
        padding: 0;
    }

    #jisou h2.h2-jisou {
        font-size: 1.3rem;
        letter-spacing: 0.2rem;
    }

    #kouka h2.h2-jisou {
        padding: 0 0.5rem;
        letter-spacing: 0.3rem;
    }

    #kouka h2.h2-jisou span {
        margin-right: 0.5rem;
        font-size: 1rem;
        letter-spacing: 0rem;
    }

    #kenkyu h2.h2-jisou {
        padding: 0 0.5rem;
        letter-spacing: 0.3rem;
    }

    #kenkyu h2.h2-jisou span {
        margin-right: 0.5rem;
        font-size: 1rem;
        letter-spacing: 0rem;
    }

    #kenkyu .kenkyu-bg {
    }

    #kongo {
        margin-top: 1rem;
    }

    #kongo h2.h2-jisou {
        padding: 0 0.5rem;
        font-size: 1.5rem;
        letter-spacing: 0.3rem;
    }

    #genjou-bk .box-sm .exp {
        padding-top: 0.3rem;
        padding-bottom: 0.3rem;
        font-size: 0.8em !important;
        line-height: 1.3rem;
    }

    .impa {
        font-size: 0.85em !important;
        line-height: 1.3rem;
    }

    #kadai .ex {
        line-height: 1.2rem;
    }

    .h2-kadai {
        width: 100%;
        padding: 0 0 0 0.5rem;
        background: url(/wwd/assets/images/kadai-bk-m.png) no-repeat left center;
        background-size: cover;
    }

    h3 {
        font-size: 1rem;
        line-height: 1.2rem;
    }

    ul {
        padding-left: 0px;
    }

    #genjyou img {
        max-width: 100%;
        height: auto;
    }

    #intro {
        margin-top: 0;
    }

    .r-box-inn p {
        line-height: 1.2rem;
    }

    .belong {
        font-size: 0.5rem;
    }

    .belong2 {
        font-size: 0.8rem;
        font-weight: 600;
    }

    .belong3, .name2 {
        font-size: 0.5rem;
    }

    .name1 {
        font-size: 1rem;
        font-weight: 600;
        line-height: 1.2;
    }

}

@keyframes fadeSlideIn {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }

}

/* 共通設定 */
.r-box {
    opacity: 0;
    transition: opacity 1.8s ease-out, transform 1.8s ease-out;
}

@media (max-width:768px) {
    .r-box.left {
        transform: translateX(-30px);
    }

    .r-box.left.show {
        opacity: 1;
        transform: translateX(0);
    }

    .r-box.top {
        transform: translateY(-30px);
    }

    .r-box.top.show {
        opacity: 1;
        transform: translateY(0);
    }

    .r-box.right {
        transform: translateX(30px);
    }

    .r-box.right.show {
        opacity: 1;
        transform: translateX(0);
    }

}

@media (min-width:769px) {
    .r-box.left {
        transform: translateX(-100px);
    }

    .r-box.left.show {
        opacity: 1;
        transform: translateX(0);
    }

    .r-box.top {
        transform: translateY(-100px);
    }

    .r-box.top.show {
        opacity: 1;
        transform: translateY(0);
    }

    .r-box.right {
        transform: translateX(100px);
    }

    .r-box.right.show {
        opacity: 1;
        transform: translateX(0);
    }

}

#addre {
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.waku {
    padding-top: 3rem;
    width: 370px;
    height: 225px;
    background: url('/wwd/assets/images/add-waku.png') no-repeat center;
    background-size: 100% 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.waku p {
    font-size: 16px;
    color: #000;
    margin: 0;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 2.6s ease-out, transform 2.6s ease-out;
}

.fade-in-up.show {
    opacity: 1;
    transform: translateY(0);
}

#circle-wrapper {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    pointer-events: none !important;
    z-index: 999 !important;
}

.circle {
    position: absolute !important;
    width: 10px !important;
    height: 10px !important;
    background: radial-gradient(#99ffff, #99ffff 10%, rgba(153, 255, 255, 0) 56%) !important;
    border-radius: 50% !important;
    opacity: 0.7 !important;
    bottom: -100px !important;
}

.circle::after {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(0.5);
    }

    50% {
        transform: scale(1.0);
    }

}

@media (max-width:769px) {
    p {
        line-height: 1.2rem;
    }

    li {
        line-height: 1.2rem;
        text-indent: 0 !important;
    }

    #circle-wrapper {
        display: none;
    }

}

.go-top {
    position: fixed;
    bottom: 40px;
    right: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.go-top.show {
    opacity: 1;
    visibility: visible;
}

.go-top:hover {
}

.impa {
    font-size: 1.2rem;
    font-weight: 700;
    text-shadow: 2px 2px 10px #ffffff, -2px 2px 10px #ffffff, 2px -2px 10px #ffffff, -2px -2px 10px #ffffff;
}