:root{--ink:#193c3c;--deep:#214f4b;--cream:#fbf6e9;--gold:#e6b971;--mint:#cfe5d9}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:'Noto Sans JP',sans-serif}a{color:inherit;text-decoration:none}button{font:inherit}.header{height:80px;display:flex;align-items:center;justify-content:space-between;padding:0 6%;background:#fbf6e9;position:relative;z-index:5}.brand{display:flex;align-items:center;gap:9px;font-family:'Zen Maru Gothic';font-weight:900;font-size:20px;white-space:nowrap}.brand small{display:block;font:700 8px 'DM Sans';letter-spacing:.2em;margin-top:2px}.star{color:#d7a757;font-size:33px}nav{display:flex;gap:27px;align-items:center;font-size:12px;font-weight:700}.nav-contact{background:var(--deep);color:var(--cream);border-radius:999px;padding:13px 20px}.hero{position:relative;min-height:650px;height:calc(100svh - 80px);max-height:850px;overflow:hidden;background:#d8e9dc;display:flex;align-items:center}.hero-decoration{position:absolute;inset:0;overflow:hidden;background:radial-gradient(ellipse at 70% 55%,#edf4e5 0%,#d1e6d7 50%,#c2dfd3 100%)}.hero-decoration:before{content:'';position:absolute;inset:0;background-image:radial-gradient(#fff9 1px,transparent 1px);background-size:30px 30px;opacity:.48}.orb{position:absolute;border-radius:50%;background:#f9f5df70}.orb-one{width:480px;height:480px;right:13%;top:13%}.orb-two{width:160px;height:160px;left:-40px;bottom:-35px;background:#f2dcaa83}.ring{position:absolute;width:550px;height:550px;border:1px solid #ffffff9e;border-radius:50%;right:11%;top:9%}.spark{position:absolute;color:#d9ad63}.spark-one{left:52%;top:17%;font-size:45px}.spark-two{right:7%;top:23%;font-size:30px}.spark-three{left:48%;bottom:20%;font-size:23px}.hero-copy{position:relative;z-index:2;margin-left:9%;padding-bottom:20px}.eyebrow{font:700 11px 'DM Sans',sans-serif;letter-spacing:.2em;color:#6b8b7d;margin:0 0 22px}.eyebrow span{color:#c99448}.hello{display:inline-block;background:#fff8e9;border:1px solid #fff;border-radius:999px;padding:10px 16px;color:#50776d;font-size:12px;font-weight:700}.hello span{color:#d1a45d;margin-left:8px}.hero h1{font-family:'Zen Maru Gothic';font-size:clamp(42px,5.1vw,76px);font-weight:900;line-height:1.35;letter-spacing:.035em;margin:20px 0}.hero h1 em{font-style:normal;color:#33776b}.hero-text{font-size:14px;line-height:2.1;color:#52776d;margin-bottom:25px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:35px;border:0;border-radius:999px;background:var(--deep);color:#fff9e9;padding:17px 23px;min-width:210px;font-size:13px;font-weight:700;cursor:pointer;transition:background .2s}.button:hover{background:#3d7d70}.character-stage{position:absolute;right:3%;bottom:-16%;height:112%;width:57%;display:flex;justify-content:center;align-items:flex-end}.character{position:relative;display:block;height:100%;width:auto;max-width:100%;object-fit:contain;object-position:center bottom;animation:float-ritsu 5s ease-in-out infinite;filter:drop-shadow(0 16px 22px #214f4b1c)}@keyframes float-ritsu{0%,100%{transform:translateY(0)}50%{transform:translateY(-13px)}}.character-name{position:absolute;right:5%;top:25%;font:700 clamp(60px,9vw,135px)/.78 'DM Sans';letter-spacing:-.09em;color:#ffffff8c;writing-mode:vertical-rl}.scroll{position:absolute;bottom:24px;left:9%;font:700 10px 'DM Sans';letter-spacing:.2em;color:#70988b}.ribbon{overflow:hidden;white-space:nowrap;background:#2b635a;color:#f9f2db;padding:15px 0;text-align:center;font:700 12px 'DM Sans';letter-spacing:.2em}.section{max-width:1500px;padding:125px 8%;margin:auto}.section-intro{text-align:center}.section-intro h2,.section-heading h2,.profile-copy h2,.contact h2{font-family:'Zen Maru Gothic';font-size:clamp(30px,3.7vw,54px);line-height:1.45;margin:0;font-weight:900}.section-intro>p:last-child,.section-heading>p,.profile-copy>p:not(.eyebrow),.contact p{color:#6c8175;font-size:14px;line-height:2}.activities-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:62px}.activities-grid article{position:relative;background:#fffdf6;border:1px solid #e7e7d8;border-radius:22px;padding:34px;min-height:235px}.activity-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:#e1eee2;color:#397d6f;font-size:24px}.activities-grid h3{font-family:'Zen Maru Gothic';font-size:20px;margin:24px 0 10px}.activities-grid p{color:#71857a;font-size:13px;line-height:1.8}.activity-en{position:absolute;right:24px;bottom:25px;font:700 9px 'DM Sans';letter-spacing:.16em;color:#b4c6b8}.videos{background:#e4f0e7}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:42px}.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.video-card{padding:0;background:none;border:0;text-align:left;color:inherit;cursor:pointer}.thumbnail{position:relative;display:block;overflow:hidden;aspect-ratio:16/9;border-radius:18px;background:#a8d0bc}.thumb-music{background:#ead6b3}.thumbnail:before{content:'';position:absolute;width:60%;height:110%;right:-12%;top:-5%;background:#ffffff5c;border-radius:50%}.thumbnail img{position:absolute;right:8%;top:0;height:170%;width:auto;filter:drop-shadow(0 5px 6px #244b4133)}.thumbnail-text{position:absolute;top:25%;left:8%;z-index:1;font:700 clamp(30px,4vw,60px)/.95 'DM Sans';letter-spacing:-.05em;color:#fffefa}.thumb-music .thumbnail-text{color:#fffdf4}.thumb-pattern{position:absolute;top:10%;right:6%;font-size:60px;color:#fff8}.play{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:56px;height:56px;padding-left:3px;background:#214f4bd9;color:white;border:1px solid #fff;border-radius:50%;font-size:13px}.tag{display:block;color:#598e7d;font:700 10px 'DM Sans';letter-spacing:.16em;margin:18px 0 8px}.video-card strong{font-family:'Zen Maru Gothic';font-size:16px}.note{font-size:12px;color:#798f82;margin-top:28px}.profile{display:grid;grid-template-columns:1fr 1fr;background:#fbf6e9}.profile-art{position:relative;overflow:hidden;min-height:630px;background:#d8eadc}.profile-art img{position:absolute;height:110%;max-width:95%;object-fit:contain;bottom:-15%;left:50%;transform:translateX(-50%)}.profile-circle{position:absolute;width:420px;height:420px;left:50%;top:50%;transform:translate(-50%,-50%);background:#f9f4df;border-radius:50%}.profile-spark{position:absolute;right:12%;top:15%;font-size:80px;color:#d4ab70}.profile-copy{padding:100px 12%;align-self:center}.name-en{display:block;font:700 11px 'DM Sans';letter-spacing:.2em;color:#8da495;margin-top:12px}.profile-copy>p:not(.eyebrow){margin-top:25px}.profile-message{font-family:'Zen Maru Gothic';font-weight:900;color:#376c5f!important}.profile-message span{color:#c99b55}.text-link{display:inline-block;border-bottom:1px solid #7fa799;padding-bottom:10px;margin-top:20px;font-size:13px;font-weight:700}.text-link span{margin-left:40px}.message{text-align:center;padding:90px 6%;background:#f2dbb4}.message-star{font-size:30px;color:#c99448;margin:0}.message>p:nth-child(2){font:900 clamp(27px,3vw,43px)/1.6 'Zen Maru Gothic';margin:16px 0 26px}.message>span{font:700 10px 'DM Sans';letter-spacing:.2em;color:#a98254}.social-list{display:grid;grid-template-columns:1fr 1fr;gap:20px}.social-list>div{display:flex;align-items:center;gap:18px;background:#fffdf5;border:1px solid #e5e8dc;border-radius:18px;padding:24px}.social-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:#dbece0;color:#2b655b;font-size:18px}.social-list strong{display:block;font:700 20px 'DM Sans'}.social-list small{display:block;color:#8ca397;font-size:11px;margin-top:5px}.pending{margin-left:auto;color:#8ca397;font-size:11px}.contact{background:#285d54;color:#fcf7e8;padding:85px 8%;display:flex;justify-content:space-between;align-items:center;gap:30px}.contact .eyebrow{color:#b2d5c2}.contact p{color:#d3e6d4}.light-button{background:#f4e7c9;color:#214f4b}.light-button:hover{background:white}footer{display:flex;align-items:center;gap:30px;padding:42px 8%;font-size:11px;color:#81968a}footer .brand{color:#214f4b}footer p{margin-left:auto}dialog{max-width:min(90vw,500px);border:0;border-radius:18px;background:#fffdf4;color:#214f4b;padding:48px}dialog::backdrop{background:#173e36aa}dialog h2{font-family:'Zen Maru Gothic';font-size:24px}dialog>p:not(.eyebrow){font-size:14px;line-height:2;color:#718578}.dialog-close{position:absolute;right:15px;top:10px;border:0;background:none;font-size:28px;cursor:pointer}.close-action{margin-top:14px}@media(max-width:700px){.header{height:68px;padding:0 5%}.brand{font-size:16px}.star{font-size:26px}nav{gap:12px;font-size:11px}nav a:first-child,nav a:nth-child(3),.nav-contact{display:none}.hero{height:780px;min-height:0;max-height:none;display:block}.hero-copy{position:absolute;margin:0;left:6%;right:6%;bottom:78px;padding:0}.hero h1{font-size:43px;margin:12px 0}.hello{font-size:11px}.hero-text{font-size:12px;line-height:1.9}.hero-copy .eyebrow{font-size:9px;margin-bottom:12px}.hero-decoration{background:radial-gradient(ellipse at 65% 25%,#f2f6e7 0%,#d1e6d7 60%,#c2dfd3 100%)}.orb-one{width:300px;height:300px;top:3%;right:-30px}.ring{width:340px;height:340px;top:2%;right:-45px}.character-stage{height:58%;width:100%;right:-12%;bottom:auto;top:-5%;justify-content:center}.character-name{font-size:70px;right:10%;top:10%}.spark-one{left:10%;top:15%}.spark-three{bottom:58%}.scroll{left:7%;bottom:20px}.section{padding:80px 6%}.activities-grid{grid-template-columns:1fr;gap:14px;margin-top:38px}.activities-grid article{min-height:160px;padding:24px}.activities-grid h3{margin:12px 0 5px}.activity-icon{width:42px;height:42px}.section-heading{display:block}.section-heading>p{margin-top:15px}.video-grid{grid-template-columns:1fr;gap:32px}.profile{grid-template-columns:1fr}.profile-art{min-height:430px}.profile-circle{width:300px;height:300px}.profile-copy{padding:75px 7%}.message{padding:72px 6%}.social-list{grid-template-columns:1fr}.contact{display:block;padding:70px 6%}.contact .button{margin-top:16px}footer{padding:36px 6%;flex-wrap:wrap}footer>a:last-child{width:100%}footer p{margin-left:auto}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.character{animation:none}.button{transition:none}}
@media(max-width:700px){.character-stage{top:0;height:45%}}
/* トップでは上半身を大きく表示し、キャラクターだけを動かす */
.character-stage{right:0;top:0;bottom:auto;height:100%;width:60%;overflow:hidden;align-items:flex-start}
.character{height:205%;max-width:none;object-fit:contain;object-position:center top;transform-origin:50% 18%;animation:float-ritsu 4.2s ease-in-out infinite}
@keyframes float-ritsu{0%,100%{transform:translate(0,0) rotate(-.6deg)}25%{transform:translate(5px,-12px) rotate(.5deg)}50%{transform:translate(0,-21px) rotate(1deg)}75%{transform:translate(-5px,-10px) rotate(.1deg)}}
.character-name{z-index:1;pointer-events:none;opacity:.55}
.topics{display:grid;grid-template-columns:1fr 1.15fr;gap:12%;align-items:center}
.topics-title h2{font-family:'Zen Maru Gothic';font-size:clamp(30px,3.7vw,54px);line-height:1.45;margin:0}
.topics-title>p:last-child{color:#6c8175;font-size:14px;line-height:2;margin-top:22px}
.topics-line{display:flex;align-items:center;gap:24px;border-block:1px solid #b9d1bf;padding:26px 0}
.topics-line span{font:700 10px 'DM Sans';letter-spacing:.15em;color:#568b78}.topics-line p{font-size:14px;font-weight:700;margin:0}
@media(max-width:700px){.character-stage{top:0;right:-11%;bottom:auto;width:92%;height:50%;align-items:flex-start}.character{height:205%;max-width:none}.character-name{right:10%}.topics{grid-template-columns:1fr;gap:28px}.topics-line{gap:18px}}
@media(prefers-reduced-motion:reduce){.character{animation:none}}
@media(min-width:701px){.character-stage{top:3%;height:97%}}
@media(max-width:700px){.character-stage{right:0;width:100%}}
.video-grid .thumbnail img.video-art{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;transform:none}.profile .profile-art img.profile-portrait{position:relative;inset:auto;width:100%;height:100%;max-height:550px;object-fit:cover;object-position:center;border-radius:32px;transform:none}

/* channel-avatar */
.channel-avatar{display:block;width:42px;height:42px;flex:0 0 42px;border-radius:50%;object-fit:cover}.brand,.logo{display:inline-flex;align-items:center;gap:12px}.brand-text{display:block}.logo-text{display:inline-block}@media(max-width:700px){.channel-avatar{width:36px;height:36px;flex-basis:36px}}

/* video-sprite-grid */
.video-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:32px 20px}.video-grid .thumbnail,.video-grid .thumb{aspect-ratio:var(--tile-ratio,1);position:relative;overflow:hidden}.video-sprite{position:absolute;inset:0;display:block;background-image:url("video-grid.png");background-size:400% 500%;background-repeat:no-repeat}.video-card .video-kicker{display:block;margin:12px 0 6px;font-size:10px;letter-spacing:.04em;opacity:.7}.video-card strong{font-size:15px;line-height:1.6}.video-card[hidden]{display:none!important}@media(max-width:700px){.video-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 14px}.video-card strong{font-size:13px}}