スマホ画面でswiperを使って100％表示ができません。

PC用でカルーセル表示ありのメイン1枚と前後画面表示のスライドは実装できましたが、スマホでは画像1枚100％でスライドをさせたいのですが、どうしても崩れてしまいます。

ご教授お願いします。

HTML
1<!doctype html>
2<html>
3    <head>
4        <meta charset="utf-8">
5        <meta http-equiv="X-UA-Compatible" content="IE=edge">
6        <meta name="description" content="">
7        <meta name="viewport" content="width=device-width, initial-scale=1">
8        <title>swiperJS</title>
9  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.4.1/css/swiper.css">
10  <link rel="stylesheet" href="　.css">
11    </head>
12
13<style type="text/css">
14<!-- 
15a:hover {
16opacity:0.8;
17filter:alpha(opacity=60);
18-ms-filter: "alpha( opacity=60 )";
19}
20-->
21</style>
22
23<!-- スライドバナー編集はこちらのhtmlからサイズ幅750縦450で作成 -->
24
25    <body>
26
27
28<div class="mainslide container">
29
30<div class="container">
31<div class="swiper-container">
32<div class="swiper-wrapper">
33
34        <div class="swiper-slide">Slide 1</div>
35        <div class="swiper-slide">Slide 2</div>
36        <div class="swiper-slide">Slide 3</div>
37
38</div>
39<!-- スライドバナー編集はこちらのhtmlからサイズ幅750縦450で作成ここまで -->+
40
41
42<br><br>
43<div class="swiper-pagination"></div>
44
45    			<!-- If we need navigation buttons -->
46      <div class="swiper-button-prev">
47        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 27 44">
48          <path class="arrow arrow-left" d="M0,22L22,0l2.1,2.1L4.2,22l19.9,19.9L22,44L0,22L0,22L0,22z" />
49        </svg>
50      </div><!-- .swiper-button-prev -->
51
52      <div class="swiper-button-next">
53        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 27 44">
54          <path class="arrow arrow-right" d="M27,22L27,22L5,44l-2.1-2.1L22.8,22L2.9,2.1L5,0L27,22L27,22z" />
55        </svg>
56      </div><!-- .swiper-button-next -->
57</div>
58</div>
59</div>
60        <script src="https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.4.1/js/swiper.min.js"></script>
61    <script>
62var swiper = new Swiper('.swiper-container', {
63
64    slidesPerView: 3,
65    autoplay: 3000,
66    speed: 2000,
67    loop: true,
68        centeredSlides: true,
69        paginationClickable: true,
70        pagination: '.swiper-pagination',
71        autoplayDisableOnInteraction: false,
72    // ナビゲーションボタン
73    nextButton: '.swiper-button-next',
74    prevButton: '.swiper-button-prev',
75
76    // 1スライドごとの余白
77    spaceBetween: 5
78
79});
80    </script>
81
82    </body>
83</html>
84
85
86
87
88
89
90

css
1.container {
2	overflow: hidden;
3	width: 100vw;
4}
5.swiper-container {
6	width: 250vw;
7	margin: 0 -80vw;
8}
9.swiper-button-prev {
10	left: calc(10px + 25vw);
11}
12.swiper-button-next {
13	right: calc(10px + 25vw);
14}
15
16.swiper-slide img {
17	width: 100%;
18}
19
20 .swiper-slide-next{
21        opacity: 0.2;
22      }
23      .swiper-slide-prev{
24        opacity: 0.2;
25      }
26      
27.swiper-pagination-bullet {
28      width: 13px;
29      height: 13px;
30      text-align: center;
31      line-height: 10px;
32      font-size: 8px;
33      color:#000;
34      opacity: 1;
35      background: rgba(0,0,0,0.2);
36    }
37    .swiper-pagination-bullet-active {
38      color:#fff;
39      background: #444444;
40    }